I mentioned this in another thread the other day but there ain't shit going down here so let's go!

Like Gilly and Wilko Sword add more and more blades to their razors.

How come double glazing hasn't upped it's game?
Double espresso? I've got a fucking quadruple espresso (tripple cappa?) you mug! This may already be on the go in the big smoke.
Four ply shitter paper? I use 16!

What else should be entering the arms race of multiple?